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Hi! Right now I have a 20 gallon planted tank set up and running with a male betta in it. I attached a picture of the tank for reference. I want to add a group of guppies and a group of cories, most likely three-lined cories. I am wondering what species I should add first, and how many I should add at one time The tank is cycled and I can add some seachem stability if need be. I have had my betta with some colorful platies before and he only showed aggression the first few days for the most part, so I am not worried about the long term. I just want to limit aggression in the beginning. Thanks!

